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Electrode structure and methods of making same

United States Patent

7,691,770
April 6, 2010
View the Complete Patent at the US Patent & Trademark Office
A method of making an electrode structure is provided. The method includes disposing an electrocatalytic material on an electrode, applying heat to the electrocatalytic material to form a volatile oxide of the electrocatalytic material, and applying a voltage to the electrode to reduce the volatile oxide to provide a number of nano-sized electrocatalytic particles on or proximate to a triple phase boundary, where the number of nano-sized electrocatalytic particles is greater on or proximate to the triple phase boundary than in an area that is not on or proximate to the triple phase boundary, and where the triple phase boundary is disposed on the electrode.
Ruud; James Anthony (Delmar, NY), Browall; Kenneth Walter (Saratoga Springs, NY), Rehg; Timothy Joseph (Huntington Beach, CA), Renou; Stephane (Clifton Park, NY), Striker; Todd-Michael (Guilderland, NY)
General Electric Company (Niskayuna, NY)
11/ 218,651
20070054798
September 2, 2005
This invention was made with Government support under contract number DE-FC26-01NT41245 awarded by Department of Energy. The Government has certain rights in the invention.